http://www.brooksbrothers.com/BrooksStorm%C2%AE-Short-Town-Coat/032L,default,pd.html?dwvar_032L_Color=BLCK&contentpos=4&cgid=
This is the one you want. They also have a longer version.
Wait until one of the semi-annual sales and you can get it for like 30% off. I got one in charcoal and love it.